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Water Filtration Systems & Filters

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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  • EP5-10 Tier1 Carbon Block Water Filter

    EP5-10 Tier1 Carbon Block Water Filter

    As Low As $3.82 Per Filter

  • KX Matrikx CTO2-12 Reverse Osmosis Carbon Block Replacement Filter
  • IC10-14C Coconut GAC Inline Water Filter (1/4-inch FPT)
  • CL6ROT33-A Omnipure GAC Inline Water Filter
  • ICF-6 Hydronix Inline Coconut Carbon Filter

    ICF-6 Hydronix Inline Coconut Carbon Filter

    $5.99 Retail Price:  $9.19
  • FRC1D OmniFilter Faucet Filter Replacement Cartridge

    FRC1D OmniFilter Faucet Filter Replacement Cartridge

    $6.99 Retail Price:  $12.41
  • HYDRONIX-ICF-10Q

    HYDRONIX-ICF-10Q

    $6.99 Retail Price:  $10.34
  • ICF-6Q Hydronix Inline Coconut Carbon Filter

    ICF-6Q Hydronix Inline Coconut Carbon Filter

    $6.99 Retail Price:  $10.34
  • ISF-10 Hydronix Sediment Inline Filter

    ISF-10 Hydronix Sediment Inline Filter

    $6.99 Retail Price:  $10.34
  • ICF-10 Hydronix Inline Coconut Carbon Filter

    ICF-10 Hydronix Inline Coconut Carbon Filter

    $7.05 Retail Price:  $9.19
  • HYDRONIX-HDG-CB-AC10

    HYDRONIX-HDG-CB-AC10

    $7.99 Retail Price:  $9.19
  • AICRO Watts Inline Polishing Filter

    AICRO Watts Inline Polishing Filter

    $7.99 Retail Price:  $9.19
  • CL6ROT33-C Omnipure Inline Filter

    CL6ROT33-C Omnipure Inline Filter

    $7.99 Retail Price:  $11.49
  • F1 OmniFilter Faucet Filter

    F1 OmniFilter Faucet Filter

    $8.05 Retail Price:  $20.69
  • FXWF-1000 EcoWater Reverse Osmosis Filter Cartridge

    FXWF-1000 EcoWater Reverse Osmosis Filter Cartridge

    $8.99 Retail Price:  $12.64
  • HYDRONIX-ICF-10Q38

    HYDRONIX-ICF-10Q38

    $8.99 Retail Price:  $11.49
  • ISF-2512 Hydronix Sediment Inline Filter

    ISF-2512 Hydronix Sediment Inline Filter

    $8.99 Retail Price:  $12.64
  • IC-101L Pentek Inline Filter

    IC-101L Pentek Inline Filter

    $8.99 Retail Price:  $12.98
  • OMNIPURE-CL10ROT40-C

    OMNIPURE-CL10ROT40-C

    $8.99 Retail Price:  $12.64
  • CL10ROT28-A Omnipure Inline Water Filter

    CL10ROT28-A Omnipure Inline Water Filter

    $8.99 Retail Price:  $12.64
  • GS-6RO-B Pentek Inline Filter Replacement Cartridge
  • R2-1PK Instapure Essentials Faucet Filter Replacement Cartridge
  • CL10ROT33-C Omnipure Inline Filter

    CL10ROT33-C Omnipure Inline Filter

    $9.99 Retail Price:  $13.79
  • OMNIPURE-CL10ROT40-B

    OMNIPURE-CL10ROT40-B

    $9.99 Retail Price:  $13.79
  • CL6ROT33-B Omnipure Inline Filter

    CL6ROT33-B Omnipure Inline Filter

    $9.99 Retail Price:  $11.49
  • OMNIPURE-K2528-JJ

    OMNIPURE-K2528-JJ

    $9.99 Retail Price:  $13.79
  • K2533BB Omnipure Inline GAC Filter Cartridge

    K2533BB Omnipure Inline Water Filter Cartridge

    $9.99 Retail Price:  $13.79
  • K2533TJ Omnipure Inline Carbon Filter

    K2533TJ Omnipure Inline Carbon Filter

    $9.99 Retail Price:  $13.79
  • QNVH-JJ Omnipure Quick Connect Water Filter Head

    QNVH-JJ Omnipure Quick Connect Water Filter Head

    $9.99 Retail Price:  $13.79
  • CB-25-1001 Hydronix Carbon Water Filter

    CB-25-1001 Hydronix Carbon Water Filter

    $9.99 Retail Price:  $13.79

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